Is this vulnerability remotely exploitable?

It can be, depending on how catalogs are supplied. If an application loads catalogs from remote locations (e.g., URLs, shared repositories, or uploaded files) without vetting, an attacker can remotely provide a malicious catalog that leads to command execution when a user or service parses it.

What level of access does an attacker need to exploit this?

The attacker must be able to introduce or influence an Intake catalog that the victim environment will load—such as by publishing a shared catalog, committing to a common repository, or providing a file that a user imports. No direct shell access is required; the parsing of the catalog itself triggers the execution.

What is the safest general fix pattern?

Disable automatic execution semantics in catalog parsing, especially for constructs like shell(). Treat all catalog fields as data only, validate them against a strict schema, and require explicit, opt-in mechanisms when command execution is genuinely needed, guarded by clear trust assumptions.

Severity:

HIGH RISK

(8.8)

Command Injection via shell() Expansion (CWE-78) in Intake Catalog Parsing

CVE-2026-33310

Published:

Mar 24, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Command Injection

CWE:

CWE-78;CWE-94

Impact:

Arbitrary Command Execution on Host System

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Command Injection

CWE:

CWE-78;CWE-94

Impact:

Arbitrary Command Execution on Host System

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Command Injection via shell() Expansion (CWE-78) in Intake Catalog Parsing

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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